package aop;

import org.apache.log4j.Logger;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;

import javax.xml.transform.Result;
import java.util.Arrays;

public class AroundLogger {
    private static final Logger log = Logger.getLogger(AroundLogger.class);
    @Around("execution(*service.UserService.*(..))")
    public Object aroundLogger(ProceedingJoinPoint jp) throws Throwable {
        log.info("调用 " +jp.getTarget() + "的" +jp.getSignature().getName() + "方法。方法返回值："+ Arrays.toString(jp.getArgs()));
        try {
            Object result = jp.proceed();//执行目标方法并获取其返回值
            log.info("调用 "+jp.getTarget()+ "的"+jp.getSignature().getName()+"方法。方法返回值："+result);
            return result;
        }catch (Throwable e){
            log.error(jp.getSignature().getName()+"方法发生异常："+e);
            throw  e;
        }finally {
            log.info(jp.getSignature().getName()+ "方法结束执行");
        }
    }
}
